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ACE Practice Question: You have a Kubernetes Deployment running 5…
This ACE practice question tests your understanding of you have a kubernetes deployment running 5…. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You have a Kubernetes Deployment running 5 replicas. You need to update the container image with zero downtime, ensuring that at least 4 replicas are always available during the update, and no more than 6 replicas exist at any time. Which Deployment strategy and settings achieve this?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
RollingUpdate with `maxUnavailable: 2` and `maxSurge: 1`.
maxUnavailable: 2 means only 3 pods remain available during the update, violating the minimum-4 requirement.
B
Distractor review
Recreate strategy with `minReadySeconds: 30`.
Recreate terminates all old pods before creating new ones — this causes complete downtime, not zero downtime.
C
Best answer
RollingUpdate with `maxUnavailable: 1` and `maxSurge: 1`.
maxUnavailable: 1 means at least 4 pods remain available. maxSurge: 1 means at most 6 pods exist simultaneously. This matches both constraints exactly.
D
Distractor review
RollingUpdate with `maxUnavailable: 0` and `maxSurge: 2`.
maxSurge: 2 allows up to 7 pods (5 + 2), exceeding the maximum of 6 requirement.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Related practice questions
Related ACE practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
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Question 6
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FAQ
Questions learners often ask
What does this ACE question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: RollingUpdate with `maxUnavailable: 1` and `maxSurge: 1`. — Kubernetes rolling updates are controlled by `strategy.rollingUpdate.maxUnavailable` and `maxSurge`. `maxUnavailable: 1` ensures at most 1 pod is unavailable (so at least 4 of 5 are always running). `maxSurge: 1` allows at most 1 extra pod above the desired 5 (so max 6 exist at once). This precisely matches the requirements: minimum 4 available, maximum 6 total.
What should I do if I get this ACE question wrong?
Identify which ACE exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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This ACE practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the ACE exam.